9 (木)	03:04	09:35	16:04	21:33
	85cm	18cm	83cm	43cm
大潮 出 04:49 入 17:59 出 19:25 入 05:39 潮干狩り ○ 08:12～10:58

コイセボイ（北海道）2020年04月9日の10分毎の潮の高低差を確認できます。
また1日の潮の高低差が1番大きい（潮の流れが大きい）時間に「最大潮位差」と明記してます。

時刻	潮位	高低差	各ポイント
4/9 00:00	59.1	↑2.1
4/9 00:10	61.2	↑2.1
4/9 00:20	63.3	↑2.1
4/9 00:30	65.3	↑2.0
4/9 00:40	67.4	↑2.1
4/9 00:50	69.4	↑2.0
4/9 01:00	71.4	↑2.0
4/9 01:10	73.2	↑1.8
4/9 01:20	75.0	↑1.8
4/9 01:30	76.7	↑1.7
4/9 01:40	78.2	↑1.5
4/9 01:50	79.6	↑1.4
4/9 02:00	80.9	↑1.3
4/9 02:10	81.9	↑1.0
4/9 02:20	82.9	↑1.0
4/9 02:30	83.6	↑0.7
4/9 02:40	84.2	↑0.6
4/9 02:50	84.5	↑0.3
4/9 03:00	84.7	↑0.2	満潮
4/9 03:10	84.6	↓-0.1
4/9 03:20	84.4	↓-0.2
4/9 03:30	83.9	↓-0.5
4/9 03:40	83.3	↓-0.6
4/9 03:50	82.4	↓-0.9
4/9 04:00	81.4	↓-1.0
4/9 04:10	80.1	↓-1.3
4/9 04:20	78.7	↓-1.4
4/9 04:30	77.1	↓-1.6
4/9 04:40	75.3	↓-1.8
4/9 04:50	73.3	↓-2.0
4/9 05:00	71.3	↓-2.0
4/9 05:10	69.0	↓-2.3
4/9 05:20	66.7	↓-2.3
4/9 05:30	64.3	↓-2.4
4/9 05:40	61.7	↓-2.6
4/9 05:50	59.1	↓-2.6
4/9 06:00	56.5	↓-2.6
4/9 06:10	53.8	↓-2.7
4/9 06:20	51.0	↓-2.8	最大潮位差
4/9 06:30	48.3	↓-2.7
4/9 06:40	45.6	↓-2.7
4/9 06:50	42.9	↓-2.7
4/9 07:00	40.3	↓-2.6
4/9 07:10	37.8	↓-2.5
4/9 07:20	35.3	↓-2.5
4/9 07:30	32.9	↓-2.4
4/9 07:40	30.7	↓-2.2
4/9 07:50	28.6	↓-2.1
4/9 08:00	26.6	↓-2.0
4/9 08:10	24.8	↓-1.8
4/9 08:20	23.1	↓-1.7
4/9 08:30	21.7	↓-1.4
4/9 08:40	20.4	↓-1.3
4/9 08:50	19.3	↓-1.1
4/9 09:00	18.5	↓-0.8
4/9 09:10	17.8	↓-0.7
4/9 09:20	17.4	↓-0.4
4/9 09:30	17.2	↓-0.2	干潮
4/9 09:40	17.2	0
4/9 09:50	17.4	↑0.2
4/9 10:00	17.9	↑0.5
4/9 10:10	18.6	↑0.7
4/9 10:20	19.4	↑0.8
4/9 10:30	20.5	↑1.1
4/9 10:40	21.8	↑1.3
4/9 10:50	23.3	↑1.5
4/9 11:00	24.9	↑1.6
4/9 11:10	26.7	↑1.8
4/9 11:20	28.7	↑2.0
4/9 11:30	30.8	↑2.1
4/9 11:40	33.0	↑2.2
4/9 11:50	35.3	↑2.3
4/9 12:00	37.8	↑2.5
4/9 12:10	40.3	↑2.5
4/9 12:20	42.8	↑2.5
4/9 12:30	45.4	↑2.6
4/9 12:40	48.1	↑2.7
4/9 12:50	50.7	↑2.6
4/9 13:00	53.3	↑2.6
4/9 13:10	55.9	↑2.6
4/9 13:20	58.5	↑2.6
4/9 13:30	61.0	↑2.5
4/9 13:40	63.4	↑2.4
4/9 13:50	65.7	↑2.3
4/9 14:00	67.9	↑2.2
4/9 14:10	70.0	↑2.1
4/9 14:20	72.0	↑2.0
4/9 14:30	73.8	↑1.8
4/9 14:40	75.4	↑1.6
4/9 14:50	76.9	↑1.5
4/9 15:00	78.2	↑1.3
4/9 15:10	79.3	↑1.1
4/9 15:20	80.3	↑1.0
4/9 15:30	81.0	↑0.7
4/9 15:40	81.5	↑0.5
4/9 15:50	81.9	↑0.4
4/9 16:00	82.0	↑0.1	満潮
4/9 16:10	82.0	0
4/9 16:20	81.8	↓-0.2
4/9 16:30	81.4	↓-0.4
4/9 16:40	80.8	↓-0.6
4/9 16:50	80.0	↓-0.8
4/9 17:00	79.0	↓-1.0
4/9 17:10	78.0	↓-1.0
4/9 17:20	76.7	↓-1.3
4/9 17:30	75.4	↓-1.3
4/9 17:40	73.9	↓-1.5
4/9 17:50	72.3	↓-1.6
4/9 18:00	70.6	↓-1.7
4/9 18:10	68.9	↓-1.7
4/9 18:20	67.0	↓-1.9
4/9 18:30	65.2	↓-1.8
4/9 18:40	63.3	↓-1.9
4/9 18:50	61.4	↓-1.9
4/9 19:00	59.5	↓-1.9
4/9 19:10	57.7	↓-1.8
4/9 19:20	55.9	↓-1.8
4/9 19:30	54.1	↓-1.8
4/9 19:40	52.4	↓-1.7
4/9 19:50	50.8	↓-1.6
4/9 20:00	49.3	↓-1.5
4/9 20:10	47.9	↓-1.4
4/9 20:20	46.6	↓-1.3
4/9 20:30	45.5	↓-1.1
4/9 20:40	44.5	↓-1.0
4/9 20:50	43.7	↓-0.8
4/9 21:00	43.0	↓-0.7
4/9 21:10	42.5	↓-0.5
4/9 21:20	42.2	↓-0.3
4/9 21:30	42.1	↓-0.1	干潮
4/9 21:40	42.1	0
4/9 21:50	42.3	↑0.2
4/9 22:00	42.7	↑0.4
4/9 22:10	43.3	↑0.6
4/9 22:20	44.1	↑0.8
4/9 22:30	45.1	↑1.0
4/9 22:40	46.2	↑1.1
4/9 22:50	47.5	↑1.3
4/9 23:00	48.9	↑1.4
4/9 23:10	50.5	↑1.6
4/9 23:20	52.2	↑1.7
4/9 23:30	54.0	↑1.8
4/9 23:40	55.9	↑1.9
4/9 23:50	57.9	↑2.0